IP Verse

Polymer Manufacturing Method - EP3023439

The patent EP3023439 was granted to Asahi Kasei Chemicals on Feb 7, 2018. The application was originally filed on Jul 14, 2014 under application number EP14825947A. The patent is currently recorded with a legal status of "Revoked".

EP3023439

ASAHI KASEI CHEMICALS

Application Number: EP14825947A
Filing Date: Jul 14, 2014
Status: Revoked; Apr 21, 2023
Grant Date: Feb 7, 2018
External Links: Slate, Register, Google Patents

Patent Summary

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Patent Oppositions

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

Company	Opposition Date	Representative	Opposition Status
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MAIWALD	Nov 6, 2018	MAIWALD	ADMISSIBLE

Patent Citations (35) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation Phase	Publication Number
DESCRIPTION	GB2241239
DESCRIPTION	JP2012531515
DESCRIPTION	JPS59140211
DESCRIPTION	JPS59176311
DESCRIPTION	US5527753
DESCRIPTION	US5708092
INTERNATIONAL-SEARCH-REPORT	JP2005513172
INTERNATIONAL-SEARCH-REPORT	JPH03153702
INTERNATIONAL-SEARCH-REPORT	JPH04279614
INTERNATIONAL-SEARCH-REPORT	JPH05148306
INTERNATIONAL-SEARCH-REPORT	JPH06199921
INTERNATIONAL-SEARCH-REPORT	JPH07233228
INTERNATIONAL-SEARCH-REPORT	JPS63179911
OPPOSITION	CA2057847
OPPOSITION	EP0648790
OPPOSITION	EP1939220
OPPOSITION	EP2559709
OPPOSITION	EP3023440
OPPOSITION	GB1255764
OPPOSITION	JPH05148306
OPPOSITION	JPS4719687
OPPOSITION	JPS4733274
OPPOSITION	JPS5523568B
OPPOSITION	JPS59176311
OPPOSITION	US2013296492
OPPOSITION	US4587314
OPPOSITION	US6306976
OPPOSITION	WO2012069509
SEARCH	CA2057847
SEARCH	EP0648790
SEARCH	EP2559709
SEARCH	GB1255764
SEARCH	JPH04279614
SEARCH	JPH07233228
SEARCH	US4587314

Non-Patent Literature (NPL) Citations (2) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation Phase	Reference Text
OPPOSITION	- "Stainless Steel Pipes", JIS G3459:2012, (19970000), pages 650 - 687, XP055527377
OPPOSITION	- The Engineer's book, (19960100), page 212, XP055527375

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Dossier Documents

The dossier documents provide a comprehensive record of the patent’s prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination.

Date
Description

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Apr 21, 2023
Termination of the opposition proceedings with revocation of patent
OPPO
Apr 18, 2023
Decision of the Board of Appeal
Appeal
Apr 18, 2023
F3032 Notification(s) of the decision
Appeal
Apr 18, 2023
F3032 Notification(s) of the decision
Appeal
Feb 13, 2023
F3013 Oral Proceedings: Forwarding minutes
Appeal
Feb 13, 2023
F3013 Oral Proceedings: Forwarding minutes
Appeal
Feb 13, 2023
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Appeal
Jan 27, 2023
F3345 Forwarding of submissions to parties
Appeal
Jan 26, 2023
(Electronic) Receipt
Appeal
Jan 26, 2023
Letter accompanying subsequently filed items
Appeal
Jan 26, 2023
Letter dealing with oral proceedings during the appeal procedure
Appeal
Jan 24, 2023
F3345 Forwarding of submissions to parties
Appeal
Jan 23, 2023
(Electronic) Receipt
Appeal
Jan 23, 2023
Letter accompanying subsequently filed items
Appeal
Jan 23, 2023
Letter dealing with oral proceedings during the appeal procedure
Appeal
Jan 4, 2023
F3345 Forwarding of submissions to parties
Appeal
Dec 23, 2022
(Electronic) Receipt
Appeal
Dec 23, 2022
Letter accompanying subsequently filed items
Appeal
Dec 23, 2022
Letter dealing with oral proceedings during the appeal procedure
Appeal
Dec 23, 2022
Oral proceedings: change of venue
Appeal
Dec 23, 2022
Oral proceedings: change of venue
Appeal
Dec 22, 2022
F3345 Forwarding of submissions to parties
Appeal
Dec 19, 2022
(Electronic) Receipt
Appeal
Dec 19, 2022
Letter dealing with oral proceedings during the appeal procedure
Appeal
Dec 19, 2022
Letter dealing with oral proceedings during the appeal procedure
Appeal
Nov 29, 2022
F3345 Forwarding of submissions to parties
Appeal
Nov 23, 2022
(Electronic) Receipt
Appeal
Nov 23, 2022
Letter accompanying subsequently filed items
Appeal
Nov 23, 2022
Letter dealing with oral proceedings during the appeal procedure
Appeal
Oct 24, 2022
Communication of amended entries in the Register of European Patents
Appeal
Oct 24, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Appeal
Oct 24, 2022
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Appeal
Oct 21, 2022
Annexes in respect of a client data request
Appeal
Oct 21, 2022
F3345 Forwarding of submissions to parties
Appeal
Oct 21, 2022
Letter accompanying subsequently filed items
Appeal
Oct 21, 2022
Request concerning representative opponent
Appeal
Oct 18, 2022
(Electronic) Receipt
Appeal
Oct 18, 2022
Annexes in respect of a client data request
Appeal
Oct 18, 2022
Letter accompanying subsequently filed items
Appeal
Oct 18, 2022
Request for change of name -opponent
Appeal
Oct 17, 2022
(Electronic) Receipt
Appeal
Oct 17, 2022
Letter accompanying subsequently filed items
Appeal
Oct 17, 2022
Request for change of name -opponent
Appeal
Oct 5, 2022
F3345 Forwarding of submissions to parties
Appeal
Sep 29, 2022
(Electronic) Receipt
Appeal
Sep 29, 2022
Advice of delivery
Appeal
Sep 29, 2022
Letter accompanying subsequently filed items
Appeal
Sep 29, 2022
Letter dealing with oral proceedings during the appeal procedure
Appeal
Sep 26, 2022
F3011.1 Oral Proceedings: summons
Appeal
Sep 26, 2022
F3011.1 Oral Proceedings: summons
Appeal
Sep 21, 2022
Composition of the board (T)
Appeal
Sep 21, 2022
F3010 Oral proceedings: order for summons
Appeal
Feb 15, 2022
F3345 Forwarding of submissions to parties
Appeal
Feb 10, 2022
(Electronic) Receipt
Appeal
Feb 10, 2022
Letter accompanying subsequently filed items
Appeal
Feb 10, 2022
Letter relating to Appeal Procedure
Appeal
Sep 29, 2021
F3345 Forwarding of submissions to parties
Appeal
Sep 23, 2021
(Electronic) Receipt
Appeal
Sep 23, 2021
Letter accompanying subsequently filed items
Appeal
Sep 23, 2021
Letter relating to Appeal Procedure
Appeal
Feb 12, 2021
F3345 Forwarding of submissions to parties
Appeal
Feb 3, 2021
(Electronic) Receipt
Appeal
Feb 3, 2021
Amended claims with annotations
Appeal
Feb 3, 2021
Amended claims with annotations
Appeal
Feb 3, 2021
Amended claims with annotations
Appeal
Feb 3, 2021
Amended claims with annotations
Appeal
Feb 3, 2021
Amended claims with annotations
Appeal
Feb 3, 2021
Amended claims with annotations
Appeal
Feb 3, 2021
Amended claims with annotations
Appeal
Feb 3, 2021
Amended claims with annotations
Appeal
Feb 3, 2021
Auxiliary request during appeals procedure - 01
Appeal
Feb 3, 2021
Auxiliary request during appeals procedure - 02
Appeal
Feb 3, 2021
Auxiliary request during appeals procedure - 03
Appeal
Feb 3, 2021
Auxiliary request during appeals procedure - 04
Appeal
Feb 3, 2021
Auxiliary request during appeals procedure - 05
Appeal
Feb 3, 2021
Auxiliary request during appeals procedure - 06
Appeal
Feb 3, 2021
Auxiliary request during appeals procedure - 07
Appeal
Feb 3, 2021
Auxiliary request during appeals procedure - 08
Appeal
Feb 3, 2021
Letter accompanying subsequently filed items
Appeal
Feb 3, 2021
Reply to appeal
Appeal
Dec 4, 2020
Composition of the board (T)
Appeal
Sep 29, 2020
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Appeal
Sep 8, 2020
(Electronic) Receipt
Appeal
Sep 8, 2020
Letter accompanying subsequently filed items
Appeal
Sep 8, 2020
Statement of grounds of appeal
Appeal
Jul 13, 2020
F3204 Communication of the file number to the parties
Appeal
Jul 13, 2020
F3204 Communication of the file number to the parties
Appeal
Jul 6, 2020
(Electronic) Receipt
Appeal
Jul 6, 2020
Letter accompanying subsequently filed items
Appeal
Jul 6, 2020
Notice of appeal
Appeal
May 15, 2020
Advice of delivery
OPPO
May 15, 2020
Advice of delivery
OPPO
May 13, 2020
Advice of delivery
OPPO
May 11, 2020
Acknowledgement of a document
OPPO
May 11, 2020
Acknowledgement of a document
OPPO
May 11, 2020
Annex to the communication - opposition
OPPO
May 11, 2020
Decision of the Opposition Division and instruction
OPPO
May 11, 2020
Decision rejecting the opposition
OPPO
May 11, 2020
Grounds for the decision (Annex) - opposition
OPPO
May 11, 2020
Internal form - Opposition/addressees
OPPO
May 11, 2020
Internal form - Opposition/addressees
OPPO
May 11, 2020
Means of redress
OPPO
May 11, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
OPPO
May 11, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
OPPO
May 11, 2020
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
OPPO
May 11, 2020
Provision of a copy of the minutes - opposition procedure
OPPO
Mar 3, 2020
Information about the result of oral proceedings
OPPO
Mar 2, 2020
Brief communication - Opposition proceedings
OPPO
Feb 27, 2020
Written submission in preparation to/during oral proceedings
OPPO
Feb 25, 2020
Amended claims with annotations
OPPO
Feb 25, 2020
Claims
OPPO
Feb 25, 2020
Written submission in preparation to/during oral proceedings
OPPO
Feb 5, 2020
Brief communication - Opposition proceedings
OPPO
Jan 30, 2020
(Electronic) Receipt
OPPO
Jan 30, 2020
Letter accompanying subsequently filed items
OPPO
Jan 30, 2020
Written submission in preparation to/during oral proceedings
OPPO
Jan 10, 2020
Brief communication - Opposition proceedings
OPPO
Jan 2, 2020
(Electronic) Receipt
OPPO
Jan 2, 2020
Citation in opposition procedure - 006
OPPO
Jan 2, 2020
Consolidated list of cited opposition documents
OPPO
Jan 2, 2020
Letter accompanying subsequently filed items
OPPO
Jan 2, 2020
Written submission in preparation to/during oral proceedings
OPPO
Dec 20, 2019
Brief communication - Opposition proceedings
OPPO
Dec 17, 2019
(Electronic) Receipt
OPPO
Dec 17, 2019
Amended claims with annotations
OPPO
Dec 17, 2019
Claims
OPPO
Dec 17, 2019
Letter accompanying subsequently filed items
OPPO
Dec 17, 2019
Written submission in preparation to/during oral proceedings
OPPO
Jul 19, 2019
Advice of delivery
OPPO
Jul 19, 2019
Advice of delivery
OPPO
Jul 17, 2019
Advice of delivery
OPPO
Jul 17, 2019
Advice of delivery
OPPO
Jul 16, 2019
Acknowledgement of a document
OPPO
Jul 16, 2019
Acknowledgement of a document
OPPO
Jul 16, 2019
Annex to the communication - opposition
OPPO
Jul 16, 2019
Information concerning oral proceedings
OPPO
Jul 16, 2019
Summons to attend oral proceedings
OPPO
Jul 16, 2019
Summons to attend oral proceedings
OPPO
Apr 5, 2019
Brief communication - Opposition proceedings
OPPO
Apr 2, 2019
(Electronic) Receipt
OPPO
Apr 2, 2019
Amended claims with annotations
OPPO
Apr 2, 2019
Amended claims with annotations
OPPO
Apr 2, 2019
Amended claims with annotations
OPPO
Apr 2, 2019
Citation in opposition procedure - 017
OPPO
Apr 2, 2019
Claims
OPPO
Apr 2, 2019
Claims
OPPO
Apr 2, 2019
Claims
OPPO
Apr 2, 2019
Letter accompanying subsequently filed items
OPPO
Apr 2, 2019
Reply of the patent proprietor to the notice(s) of opposition
OPPO
Nov 22, 2018
Communication of a notice of opposition and request to file observations
OPPO
Nov 22, 2018
Notice of further oppositions to opponent(s)
OPPO
Nov 13, 2018
Communication of a notice of opposition - first information to patent proprietor
OPPO
Nov 6, 2018
(Electronic) Receipt
OPPO
Nov 6, 2018
Citation in opposition procedure - 001
OPPO
Nov 6, 2018
Citation in opposition procedure - 001
OPPO
Nov 6, 2018
Citation in opposition procedure - 001
OPPO
Nov 6, 2018
Citation in opposition procedure - 001
OPPO
Nov 6, 2018
Citation in opposition procedure - 001
OPPO
Nov 6, 2018
Citation in opposition procedure - 002
OPPO
Nov 6, 2018
Citation in opposition procedure - 003
OPPO
Nov 6, 2018
Citation in opposition procedure - 004
OPPO
Nov 6, 2018
Citation in opposition procedure - 005
OPPO
Nov 6, 2018
Citation in opposition procedure - 006
OPPO
Nov 6, 2018
Citation in opposition procedure - 006
OPPO
Nov 6, 2018
Citation in opposition procedure - 006
OPPO
Nov 6, 2018
Citation in opposition procedure - 007
OPPO
Nov 6, 2018
Citation in opposition procedure - 007
OPPO
Nov 6, 2018
Citation in opposition procedure - 007
OPPO
Nov 6, 2018
Citation in opposition procedure - 008
OPPO
Nov 6, 2018
Citation in opposition procedure - 008
OPPO
Nov 6, 2018
Citation in opposition procedure - 008
OPPO
Nov 6, 2018
Citation in opposition procedure - 009
OPPO
Nov 6, 2018
Citation in opposition procedure - 010
OPPO
Nov 6, 2018
Citation in opposition procedure - 011
OPPO
Nov 6, 2018
Citation in opposition procedure - 011
OPPO
Nov 6, 2018
Citation in opposition procedure - 012
OPPO
Nov 6, 2018
Citation in opposition procedure - 012
OPPO
Nov 6, 2018
Citation in opposition procedure - 013
OPPO
Nov 6, 2018
Citation in opposition procedure - 014
OPPO
Nov 6, 2018
Citation in opposition procedure - 015
OPPO
Nov 6, 2018
Citation in opposition procedure - 015
OPPO
Nov 6, 2018
Citation in opposition procedure - 016
OPPO
Nov 6, 2018
Notice of opposition
OPPO
Nov 6, 2018
Notice of opposition
OPPO
Feb 23, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Search/Exam
Jan 11, 2018
Decision to grant a European patent
Search/Exam
Jan 5, 2018
Brief communication to applicant/representative
Search/Exam
Jan 2, 2018
Bibliographic data of the European patent application
Search/Exam
Dec 21, 2017
(Electronic) Receipt
Search/Exam
Dec 21, 2017
Filing of the translations of the claims
Search/Exam
Dec 21, 2017
French translation of claims
Search/Exam
Dec 21, 2017
German translation of the claims
Search/Exam
Dec 21, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 20, 2017
Communication of the registration of a transfer or change of name and/or address
Search/Exam
Oct 27, 2017
(Electronic) Receipt
Search/Exam
Oct 27, 2017
Annexes in respect of a client data request
Search/Exam
Oct 27, 2017
Annexes in respect of a client data request
Search/Exam
Oct 27, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 27, 2017
Submission concerning a transfer of rights (applicant)
Search/Exam
Sep 29, 2017
Bibliographic data of the European patent application
Search/Exam
Sep 29, 2017
Communication about intention to grant a European patent
Search/Exam
Sep 29, 2017
Intention to grant (signatures)
Search/Exam
Sep 29, 2017
Text intended for grant (clean copy)
Search/Exam
Sep 29, 2017
Text intended for grant (version for approval)
Search/Exam
May 12, 2017
(Electronic) Receipt
Search/Exam
May 12, 2017
Amended claims with annotations
Search/Exam
May 12, 2017
Amended claims with annotations
Search/Exam
May 12, 2017
Amended description with annotations
Search/Exam
May 12, 2017
Claims
Search/Exam
May 12, 2017
Claims
Search/Exam
May 12, 2017
Description
Search/Exam
May 12, 2017
Letter accompanying subsequently filed items
Search/Exam
May 12, 2017
Reply to communication from the Examining Division
Search/Exam
Apr 26, 2017
(Electronic) Receipt
Search/Exam
Apr 26, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 26, 2017
Reply to communication from the Examining Division
Search/Exam
Dec 16, 2016
Annex to the communication
Search/Exam
Dec 16, 2016
Communication from the Examining Division
Search/Exam
Nov 23, 2016
(Electronic) Receipt
Search/Exam
Nov 23, 2016
Amended claims with annotations
Search/Exam
Nov 23, 2016
Annex
Search/Exam
Nov 23, 2016
Claims
Search/Exam
Nov 23, 2016
Letter accompanying subsequently filed items
Search/Exam
Nov 23, 2016
Reply to communication from the Examining Division
Search/Exam
Jul 29, 2016
Annex to the communication
Search/Exam
Jul 29, 2016
Communication from the Examining Division
Search/Exam
Jun 16, 2016
Communication regarding the transmission of the European search report
Search/Exam
Jun 16, 2016
Information on Search Strategy
Search/Exam
Jun 16, 2016
Supplementary European search report
Search/Exam
Apr 28, 2016
Notification of forthcoming publication
Search/Exam
Feb 23, 2016
Communication for party to proceedings/third party
Search/Exam
Feb 22, 2016
Communication to designated inventor
Search/Exam
Feb 1, 2016
Copy of the international preliminary report on patentability
Search/Exam
Feb 1, 2016
Translation of the international preliminary report on patentability
Search/Exam
Dec 23, 2015
(Electronic) Receipt
Search/Exam
Dec 23, 2015
Abstract
Search/Exam
Dec 23, 2015
Claims
Search/Exam
Dec 23, 2015
Description
Search/Exam
Dec 23, 2015
Request for entry into the European phase
Search/Exam
Nov 27, 2015
Information on entry into European phase
Search/Exam
Feb 10, 2015
Priority document (electronically transmitted)
Search/Exam
Jan 22, 2015
Copy of the international search report
Search/Exam
Jan 22, 2015
Copy of the translated international search report
Search/Exam
Jan 22, 2015
International publication pamphlet
Search/Exam